Male factor contributes to nearly half of all infertility cases. A simple semen analysis is the first — and often most important — step.
Infertility is a shared journey. In about 40–50% of couples struggling to conceive, a male factor is fully or partly responsible — which is why testing both partners early matters.
The Semen Analysis
This non-invasive test measures sperm count, motility (movement), morphology (shape) and volume. WHO 2021 reference values suggest at least 16 million sperm/mL, 42% total motility and 4% normal forms. One abnormal result is not a diagnosis — at least two tests, 4–6 weeks apart, give a reliable picture.
Common Causes
Varicocele (enlarged scrotal veins), hormonal imbalance, infections, undescended testicles, prior surgery, certain medications and lifestyle factors like smoking, heat exposure, obesity or heavy alcohol use are common contributors. Genetic causes account for a smaller share.
Treatable Lifestyle Factors
Stop smoking, limit alcohol, keep BMI in the healthy range, avoid prolonged hot baths and tight underwear, manage stress, and eat a diet rich in antioxidants. Sperm takes about 74 days to develop — meaningful change usually appears at the 3-month mark.
Medical & Surgical Treatment
Hormonal therapy can help when hormone levels are abnormal. Varicocele repair improves parameters in many men. Antibiotics treat infection-related cases. When natural conception remains difficult, IUI, IVF or ICSI become powerful options — ICSI in particular has transformed outcomes for severe male factor cases.
A male factor diagnosis is rarely the end of the road. With proper evaluation and modern reproductive techniques, the path to parenthood remains open and very real.
Have questions about your own journey?
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